Remove unnecessary trailing slashes from routes

[MrCreosote]

Consistency with most of the routes and with the client. Now a redirect will occur if there's a trailing slash vs. if one is not present

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 53.38%. Comparing base (787b489) to head (5355648).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #543   +/-   ##
=======================================
  Coverage   53.38%   53.38%           
=======================================
  Files          69       69           
  Lines        5897     5897           
=======================================
  Hits         3148     3148           
  Misses       2749     2749           

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